Seesaw



(No Modem H. R. BDMONDS.

SEBSAW. A N0. 366,082. Patented July 5, 1887.

f f1 r lrt v ,SIIIIIIIIIIIIIIIIIHIIIIIIIIIIIIIIUIIHllllllllrhHHIIIIIIIIIIIHIIIHIIIIIIII-I UNITED 4STATES PATENT OFFICE.

HENRY R. EDMONDS, OF PHILADELPHIA, PENNSYLVANIA.

SEESAW.

ePncImcATroN fol-ming para of Letters Patent No, 366,082, dass July 5,18st.

Application filed Jafuary 20, 1887. Serial No. 224,974. (No model.)

To @ZZ whom it may concern:

Be it known that I, HENRY R. EDMoNDs, a citizen of the United States,residing at Philadelphia, in the county of Philadelphia and State ofPennsylvania, have invented a new and useful Improvement in Seesaws, orCalisthenics, of which the following is a specification.

My invention relates to improvements in seesaws; and it consists in atilting board jointed at the center and provided with metal bearingsthat will open and close around a metal trunnion supported on a truss ortrestleprovided with sandals.

The objects of my improvements are, first, to construct the machine sothat it may be easily taken apart and packed in a small space when notin use; second, that the seesaw may be used on carpets without injury tothem. I attain these objects by the mode of construction illustrated inthe accompanying drawings. making a part of this specification, inwhich- Figure l is aside elevation, and Fig. 2 a top view, of one ofmyimproved seesaws. Fig. 3 is an edge view of the tilting board folded.All other views are separate parts in detail, and are marked by lettersof reference.

Similarletters refer to similar parts throughout the several views.

A representsthe tilting board; B, the supporting-truss; C, the trunnionupon which the board A oscillates; D, the sandals; E, the brace or tierods; F, the metal clamp-bearings for the tilting board A, and G thehinge for jointing the tilting-board A.

The construction of my improvements are as follows: The board A, I make-of hard or soft wood, and in two lengths. At the center l join the twoparts by means oftwostrap-hinges, G, which hinges are fastened upon thetop of the board. Under these hinges are two metal bearings,F. Eachbearingis made in twoparts. The hinge G and metal bearings F arefastened to the board A by rivets or bolts, as shown by the dotted linesin Figs. l and 3.

C is a metal trunnion constructed with a collar on each end, asisplainly shown in a sepa .rate detail view.

B is a cast-metal truss made with an open slot, S, at the top, intowhich lits the trunnion C. The sandals D are made of cast-iron or othersuitable metal. These sandals are made with pockets J Jand pins orlugs aa. On the bottom of the sandals are glued a piece ot' heavy paper orcloth. The brace-rods E are made of wire, and have an eye at each endthat will lit on the pins cin sandal D. To put the machine together foruse, the feet of the trusses are inserted into the pockets J .I on thesandals D, the brace-rods E 'are placed on the pins (truand the trnnnionC is placed in the slot S. This makes a firm truss ortrestle. The boardA is then turned open so as to cause the bearing F to span the trunnionC. The board is then at liberty to oscillate on the trunnion C, while itacts to hold the parts firmly together.

In taking the machine apart to pack away,

the board A must be iirst removed, then the trunnion C, then the rods E,then the trusses Afrom the sandals D, the board A is folded, as

shown in Fig. 3, and the whole machine can then be packed away in box,closet, or such place as desired, taking up but little room, and whenwanted may be set up for use, as before described. v

. The sandals D, having a large base and cov- 'ered with paper orcloth,will not harm or soil the iioor or carpet if the machine be usedin a room furnished with carpet.

` The ends of the board A may be upholstered with a cushion, or on eachend maybe placed a chair or a hobby-horse.

It is obvious that one wide hinge in place of two, as shown, may beused; also, thc shape of the trusses may be changed.

V'Vhat I claim as my invention s- The combination, in aseesaw, ofaboard,A, hinge G, bearing F in two parts, trunniou C, and truss B, allsubstantially as set forth.

HENRY R. EDMONDS.

Witnesses:

JOHN SHINN,

E. J. SNYDER.

